antiword: style update
autoenv: simplify caveats
TeXmacs 1.0.7.19
rakudo-star: replace caveats with conflicts_with
nexus 2.5.0-04

Closes #20421.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
FormulaInstaller: ensure locks are always released
notmuch 0.15.2
Grails: remove legacy caveats
opencolorio: reformat caveats, remove commented-out code